Elephant Database
African Elephant Specialist Group

Dung Count (Line Transects) Stratum/Block

Congo
Phenotype: Forest (based on geographical location)
Data contributed by peter.mwangi@iucn.org, last updated 16/10/2014
Creative Commons License
3850 km²
No strata
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Conkouati-Douli National Park

Internal name:
Stratum/block area (km²): 3850
Population estimate: 947
Variance:
Standard error: 91.83673469
Value of t used to calculate 95% confidence interval:
Degrees of freedom:
95% confidence interval: 180.0
95% lower confidence limit: 767
95% upper confidence limit: 1127
Check if no estimate of precision available: false
Asymmetric lower confidence interval:
Asymmetric upper confidence interval:
Number of transects covered: 190
Total length of transects covered (in km): 95.0
Effective strip width:
Number of observations (encounters):
How were distances to observations estimated?: Using instruments
Number of elephants seen:
Number of dungpile on which the decay estimate is based: 57
Was dung decay rate measured on site, and if so, how?: Retrospectively
Dung decay estimate used (days): 158.0
Site where decay rate was measured: Conkouati National Park
Date (year) in which decay rate was measured: 2005
Dung decay rate - bibliographical reference:
Variance:
Standard error: 3.6
Value of t:
Degrees of freedom:
95% Confidence interval:
95% lower confidence limit:
95% upper confidence limit:
Check if no estimate of precision available: false
Was defecation rate measured on-site?: false
Estimate of defecation rate used (days): 16.0
Site where the defecation rate was measured:
Defecation rate - bibliographical reference: Theuerkauf and Gula, 2010
Variance:
Standard error:
Value of t:
Degrees of freedom:
95% Confidence interval:
95% lower confidence limit:
95% upper confidence limit:
Check if no estimate of precision available: true
Estimate of dung density: 2
Variance:
Standard error:
Value of t:
Degrees of freedom:
95% Confidence interval:
95% lower confidence limit:
95% upper confidence limit:
Asymmetric upper confidence interval:
Asymmetric lower confidence interval:
Check if no estimate of precision available: true
Dung encounter rate:
IUCNSpecies Survival Commission

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